# user1 = {"name":"zhangsan", "age": 10}

# print("user name = %s, age = %s" % (user1["name"],user1.get("age")))

class User(object):
	def __init__(self, name, age):
		self.name = name
		self.age = age

	def print_info(self):
		print("%s %s" % (self.name, self.age))

user = User()

user.name = "lisi"

user.print_info()